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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/codegen/match-unoptimized.rs | |
parent | Releasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/codegen/match-unoptimized.rs')
-rw-r--r-- | tests/codegen/match-unoptimized.rs | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/tests/codegen/match-unoptimized.rs b/tests/codegen/match-unoptimized.rs new file mode 100644 index 000000000..78ea4f9b4 --- /dev/null +++ b/tests/codegen/match-unoptimized.rs @@ -0,0 +1,23 @@ +// compile-flags: -C no-prepopulate-passes -Copt-level=0 + +#![crate_type = "lib"] + +#[repr(u16)] +pub enum E2 { + A = 13, + B = 42, +} + +// For unoptimized code we produce a `br` instead of a `switch`. Compare with +// `tests/codegen/match-optimized.rs` + +// CHECK-LABEL: @exhaustive_match_2 +#[no_mangle] +pub fn exhaustive_match_2(e: E2) -> u8 { + // CHECK: %[[CMP:.+]] = icmp eq i16 %{{.+}}, 13 + // CHECK-NEXT: br i1 %[[CMP:.+]], + match e { + E2::A => 0, + E2::B => 1, + } +} |